Closure fastener



Aug. 26, 1930. w, W 1,774,307

CLOS URE FAS TENER Filed March 20} 1929 2 Sheets-Sheet 1 Attorney g-1930- B. w. WILLIG 1,774,307

CLOSURE FASTENER Filed March 20. 1929 2 Sheets-Sheet 2 Inventor PatentedAu 26,. 1930 BRUNO WILLIAIVI WILLIG, OF SAN ANGELO, TEXAS CLGS'UREFASTENER Application filed March 20, 1929. Serial No. 348,540.

This invention relates to closure fasteners and has more particularreference to the type of closure or lid which is used in associationwith a water meter box, although the improvements are applicable toother types provided at a diametrically opposite side with a keyactuatedlatch for engaging the adjacent portion of the ledge, whereby tosecurely hold the cover in place.

In carrying out the invention, it is my aim to generally improve uponstructures of this class by providing an arrangement which may beexpeditiously manipulated in a satisfactory and dependable manner.

Other features and advantages will become more readily apparent from thefollowing description and drawings.

In the drawings:

Figure 1 is a top plan view of the structure.

Figure 2 is a bottom plan view.

Figure 3 is a central sectional view.

Figure 4 is a perspective view of the improved retaining latch.

Figure 5 is a fragmentary detail elevational view of the especiallydesigned operating key.

Referring to the drawings, it will be seen that the annular rim isdesignated by the reference character 6 and this is provided with anendless inwardly offset supporting ledge 7, with which the peripheraledge portion of the bevelled edged cover or lid 8 is in engagement. Thislid is provided on its bottom with intersecting diagonally arrangedreinforcing ribs 9. On one peripheral edge it is provided with a hookedlug 10, for 45 engagement with the ledge as seen in Figure andadvantages of the invention.

3. At diametrically opposite sides it is provided with a triple-slot keyhole 11, with which the key 12, (seen in Figure 5) is cooperable.

Referring now to Figures 2 and 4, it will be seen that the referencecharacter 13 designates a latch. This comprises a ring like element 14pivotally mounted on the under side of the cover as at 15.

At one side this is formed with an ofiset retaining finger 16, adaptedto be engaged with the ledge seen in Figure 2. On the opposite side itis formed with a plurality of operating teeth 17 with which thecooperating elements on the key 12 are engageable. As seen in Figure 2,a plurality of stops 18, 19, and 20 are provided, for aiding independable operation of the latch and ey. r

In practice, the shank of the key is inserted through the key hole andthe portions thereon are engaged with the teeth 17 of the latch 18. Thenthe latch is turned in a manner to engage the finger 16 with the ledge7. Preparatory to this, the lug 10 is engaged 7o beneath thediametrically opposite side of the ledge. Consequently, the cover maybelatched in place in a dependable manner. After this, the key iswithdrawn.

A careful consideration of the description in connection with thedrawings will enable the reader to obtain a clear understanding of theconstruction, operation and features Therefore, a more lengthydescription is regarded as unnecessary.

Minor changes in shape, size, materials and rearrangement of detailsfalling within the field of invention claimed may be resorted to, inactual practice, if desired.

I claim:

In a structure of the class described, in combination, a rim providedwith an annular ofiset ledge, a bevelled edged cover detachably seatedagainst said ledge, said 90 cover being formed on its under side with aperipheral hooked lug engageable with said ledge, a latch pivotallyconnected to the under side of the cover at a diametrically oppositepoint, said latch comprising a, ring like element formed with peripheralteeth and also formed with an ofl'set ledge engaging finger, said coverhaving a key hole for passage of the key, for cooperation with saidteeth for actuating said latch.

In testimony whereof I ailix my signature.

BRUNO WILLIAM VILLIG.

